The work of which scientist(s) helped explain light’s ability to propagate through a vacuum?

A. Maxwell

B. Fresnel, Fraunhofer, and Arago

C. Davisson and Germer

D. Newton

Answer: C. Davisson and Germer

The concept of light being able to spread through a vacuum was clarified in deepness by the work of Davisson and Germer. The expert made use of a vacuum device that was intended by them. The part of this device was to measure the electron energy that was dispersed from a superficial comprising of metal. They are made of a voltage to accelerate the electron produced from a heated light source.